[U-Boot] [PATCH v3 5/7] zynq: Add support for auto nandboot

[Siva Durga Prasad Paladugu]

From: Jagannadha Sutradharudu Teki <jaganna at xilinx.com>

Added support to find the nand bootmode and also
updated the default env. with nandboot.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur at xilinx.com>
Signed-off-by: Jagannadha Sutradharudu Teki <jaganna at xilinx.com>
---
Changes for v3:
-Separated out the nand patch series
 as per Michal comment.
Changes for v2:
-None
---
 board/xilinx/zynq/board.c     |    4 ++++
 doc/README.zynq               |    3 ++-
 include/configs/zynq-common.h |    3 +++
 3 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/board/xilinx/zynq/board.c b/board/xilinx/zynq/board.c
index 5a47149..9dd158c 100644
--- a/board/xilinx/zynq/board.c
+++ b/board/xilinx/zynq/board.c
@@ -15,6 +15,7 @@ DECLARE_GLOBAL_DATA_PTR;
 /* Bootmode setting values */
 #define ZYNQ_BM_MASK		0x0F
 #define ZYNQ_BM_NOR		0x02
+#define ZYNQ_BM_NAND		0x04
 #define ZYNQ_BM_SD		0x05
 #define ZYNQ_BM_JTAG		0x0
 
@@ -75,6 +76,9 @@ int board_late_init(void)
 	case ZYNQ_BM_NOR:
 		setenv("modeboot", "norboot");
 		break;
+	case ZYNQ_BM_NAND:
+		setenv("modeboot", "nandboot");
+		break;
 	case ZYNQ_BM_SD:
 		setenv("modeboot", "sdboot");
 		break;
diff --git a/doc/README.zynq b/doc/README.zynq
index 043c970..e0b38cf 100644
--- a/doc/README.zynq
+++ b/doc/README.zynq
@@ -54,10 +54,11 @@ is intern used in autoboot.
 
 SLCR bootmode register Bit[3:0] values
 #define ZYNQ_BM_NOR		0x02
+#define ZYNQ_BM_NOR		0x04
 #define ZYNQ_BM_SD		0x05
 #define ZYNQ_BM_JTAG		0x0
 
-"modeboot" variable can assign any of "norboot", "sdboot" or "jtagboot"
+"modeboot" variable can assign any of "norboot", "nandboot", "sdboot" or "jtagboot"
 bootmode strings at runtime.
 
 5. Mainline status
diff --git a/include/configs/zynq-common.h b/include/configs/zynq-common.h
index 08adaa2..068e59a 100644
--- a/include/configs/zynq-common.h
+++ b/include/configs/zynq-common.h
@@ -170,6 +170,9 @@
 	"norboot=echo Copying FIT from NOR flash to RAM... && " \
 		"cp.b ${nor_flash_off} ${load_addr} ${fit_size} && " \
 		"bootm ${load_addr}\0" \
+	"nandboot=echo Copying FIT from NAND flash to RAM... && " \
+		"nand read ${load_addr} ${flash_off} ${fit_size} && " \
+		"bootm ${load_addr}\0" \
 	"sdboot=echo Copying FIT from SD to RAM... && " \
 		"fatload mmc 0 ${load_addr} ${fit_image} && " \
 		"bootm ${load_addr}\0" \
-- 
1.7.4